The powerful placebo

In a randomized clinical trial, volunteers are given either a medication or a placebo without knowing which one they are receiving. Sometimes, those who receive the placebo report that it makes them feel better, which is called the placebo effect. (Locked) More »

Pets and your health

There are many benefits to pet ownership, such as physical activity, social interaction, and companionship. Domestic animals can carry infections, but keeping pets healthy and following sensible precautions will minimize the risk. (Locked) More »

On call: Home defibrillators

When I walk through a mall or airport, I see machines for reviving heart attack victims. My husband has had two heart attacks. He's doing very well now, but I wonder if I can get a device like this for our home. And would I be able to learn how to use it? (Locked) More »